Whitecaps hang on to beat Seattle in entertaining Cascadia finale 7 Mar 2011 But, anyone who tuned in to watch the Vancouver Whitecaps hang on to beat the Seattle Sounders 3-2 in the finale of the Cascadia Cup — or any of the 4,000 people who packed what’s normally a training pitch in Tukwila, Wash — got to see about as entertaining a MLS preseason game as you’re ever going to see.